MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 31

• Manufacturer Part Number: MC68HC05K1
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MC68HC05K0 • MC68HC05K1 — Rev. 2.0
$00DF
$03EF
1. MC68HC05K1 only
2. Writing a 0 to bit 0 of $03F0 clears the COP watchdog. Reading $03F0 returns ROM data.
$001F
$00E0
$00FF
$01FF
$03F0
$03F7
$03F8
$03FF
$0000
$0020
$0100
$0200
INTERNAL TEST ROM
AND COP REGISTER
STACK AND RAM
USER VECTORS
USER ROM
USER ROM
192 BYTES
32 BYTES
256 BYTES
496 BYTES
32 BYTES
UNUSED
8 BYTES
8 BYTES
I/O
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 2-1. Memory Map
Go to: www.freescale.com
Memory
PEPROM STATUS & CONTROL REGISTER
TIMER STATUS & CONTROL REGISTER
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
IRQ STATUS & CONTROL REGISTER
PEPROM SELECT REGISTER
RESET VECTOR (HIGH BYTE)
RESET VECTOR (LOW BYTE)
TIMER COUNTER REGISTER
PULLDOWN REGISTER A
PULLDOWN REGISTER B
PORT A DATA REGISTER
PORT B DATA REGISTER
TIMER VECTOR (HIGH)
TIMER VECTOR (LOW)
SWI VECTOR (HIGH)
IRQ VECTOR (HIGH)
SWI VECTOR (LOW)
IRQ VECTOR (LOW)
COP REGISTER
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
(2)
(1)
(1)
Technical Data
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0000
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$03F0
$03F1
$03F2
$03F3
$03F4
$03F5
$03F6
$03F7
$03F8
$03F9
$03FA
$03FB
$03FC
$03FD
$03FE
$03FF
Memory
RAM